Re: ImageMagick: possibly OT

2015-09-18 Thread Germán Racca
On 09/17/2015 08:11 AM, Timothy Murphy wrote: I want to crop a PNG picture. I see how to do it with ImageMagick, once I know the pixel-positions of the corners of the rectangle. I'm wondering if there is a way of imposing a grid to read these numbers, either with ImageMagick or some other applic

Re: ImageMagick: possibly OT

2015-09-18 Thread Ed Greshko
On 09/18/15 20:52, Timothy Murphy wrote: > I've been looking at these, though I haven't yet found any examples > using the guillotine tool, which is actually what I need. Go to youtube and search on "gimp guillotine" and pick which video you want to watch. -- It seems most people that say they

Re: ImageMagick: possibly OT

2015-09-18 Thread Bob Goodwin
On 18/09/15 08:52, Timothy Murphy wrote: fred roller wrote: http://www.gimp.org/tutorials/ Should provide you with some quicky lessons to achieve what you want. I've been looking at these, though I haven't yet found any examples using the guillotine tool, which is actually what I need. . T

Re: ImageMagick: possibly OT

2015-09-18 Thread stan
On Fri, 18 Sep 2015 13:52:01 +0100 Timothy Murphy wrote: > Also I find these tutorials hard to read, since they largely use > orange text on a brown background, which on my laptop > is difficult to follow. > > I find web-sites that use unusual text/background colours a PITA . In Firefox, it is

Re: ImageMagick: possibly OT

2015-09-18 Thread Timothy Murphy
fred roller wrote: > http://www.gimp.org/tutorials/ > > Should provide you with some quicky lessons to achieve what you want. I've been looking at these, though I haven't yet found any examples using the guillotine tool, which is actually what I need. Also I find these tutorials hard to read, s

Re: ImageMagick: possibly OT

2015-09-17 Thread Klaus-Peter Schrage
Am 17.09.2015 um 20:09 schrieb Bill Oliver: On Thu, 17 Sep 2015, Klaus-Peter Schrage wrote: It's not a Gimp script mentioned there, but an ImageMagick command (convert). By the way, there are nice tutorials on using ImageMagick from IBM (yes!), rather old, but not outdated: http://www.ibm.c

Re: ImageMagick: possibly OT

2015-09-17 Thread Bill Oliver
On Thu, 17 Sep 2015, Klaus-Peter Schrage wrote: Am 17.09.2015 um 19:36 schrieb Bill Oliver: On Thu, 17 Sep 2015, Timothy Murphy wrote: Shaheen Bakhtiar wrote: You can also write a little script for gimp if you don't want to do it interactively.  See: http

Re: ImageMagick: possibly OT

2015-09-17 Thread Klaus-Peter Schrage
Am 17.09.2015 um 19:36 schrieb Bill Oliver: On Thu, 17 Sep 2015, Timothy Murphy wrote: Shaheen Bakhtiar wrote: You can also write a little script for gimp if you don't want to do it interactively.  See:

Re: ImageMagick: possibly OT

2015-09-17 Thread Bill Oliver
On Thu, 17 Sep 2015, Timothy Murphy wrote: Shaheen Bakhtiar wrote: I want to crop a PNG picture. I see how to do it with ImageMagick, once I know the pixel-positions of the corners of the rectangle. I'm wondering if there is a way of imposing a grid to read these numbers, either with ImageMag

Re: ImageMagick: possibly OT

2015-09-17 Thread Bill Oliver
On Thu, 17 Sep 2015, Bill Oliver wrote: On Thu, 17 Sep 2015, Timothy Murphy wrote: I want to crop a PNG picture. I see how to do it with ImageMagick, once I know the pixel-positions of the corners of the rectangle. I'm wondering if there is a way of imposing a grid to read these numbers,

Re: ImageMagick: possibly OT

2015-09-17 Thread Bill Oliver
On Thu, 17 Sep 2015, Timothy Murphy wrote: I want to crop a PNG picture. I see how to do it with ImageMagick, once I know the pixel-positions of the corners of the rectangle. I'm wondering if there is a way of imposing a grid to read these numbers, either with ImageMagick or some other applicat

Re: ImageMagick: possibly OT

2015-09-17 Thread fred roller
http://www.gimp.org/tutorials/ Should provide you with some quicky lessons to achieve what you want. Fred Roller On Sep 17, 2015 11:40 AM, "Timothy Murphy" wrote: > Shaheen Bakhtiar wrote: > > >> I want to crop a PNG picture. > >> I see how to do it with ImageMagick, > >> once I know the pixel-

Re: ImageMagick: possibly OT

2015-09-17 Thread Timothy Murphy
Shaheen Bakhtiar wrote: >> I want to crop a PNG picture. >> I see how to do it with ImageMagick, >> once I know the pixel-positions of the corners of the rectangle. >> >> I'm wondering if there is a way of imposing a grid to read these numbers, >> either with ImageMagick or some other application

Re: ImageMagick: possibly OT

2015-09-17 Thread Shaheen Bakhtiar
Gimp? But I’m still not sure what the questions is. With Gimp you can use the rulers to pull in guidelines than can be used to snap the cursor, bounding boxes, etc.. > On Sep 17, 2015, at 4:11 AM, Timothy Murphy wrote: > > I want to crop a PNG picture. > I see how to do it with ImageMagick, >

Re: ImageMagick: possibly OT

2015-09-17 Thread Tom Horsley
On Thu, 17 Sep 2015 12:11:17 +0100 Timothy Murphy wrote: > I'm wondering if there is a way of imposing a grid to read these numbers, > either with ImageMagick or some other application that runs under Fedora ? If you want to examine the picture interactively to pick the place to crop, you might a

ImageMagick: possibly OT

2015-09-17 Thread Timothy Murphy
I want to crop a PNG picture. I see how to do it with ImageMagick, once I know the pixel-positions of the corners of the rectangle. I'm wondering if there is a way of imposing a grid to read these numbers, either with ImageMagick or some other application that runs under Fedora ? -- Timothy Murp